using System.Collections.Generic;
using System.Linq;
using UnityEngine;

public class GuildAtkDefBatRankWin : UIBase
{
    [SerializeField] ButtonEx serverBtn;
    [SerializeField] List<GuildAtkDefBatPlayerTop3Cell> playerTop3Cells;
    [SerializeField] ScrollerController scroller;
    [SerializeField] GuildAtkDefBatRankCell myRankCell;
    [SerializeField] RectTransform noRect;

    GuildAtkDefBatManager manager { get { return GuildAtkDefBatManager.Instance; } }

    /// <summary> 排序后的参战成员列表 </summary>
    List<HA525_tagSCFamilyAtkDefBatInfo.tagSCFamilyAtkDefBatMem> sortedMembers = new List<HA525_tagSCFamilyAtkDefBatInfo.tagSCFamilyAtkDefBatMem>();

    protected override void InitComponent()
    {
        serverBtn.SetListener(() =>
        {
            UIHelper.ShowServersPanel(GuildManager.Instance.crossServerIDList);
        });
    }

    protected override void OnPreOpen()
    {
        base.OnPreOpen();
        scroller.OnRefreshCell += OnRefreshCell;
        manager.OnUpdateAtkDefBatInfoEvent += OnUpdateAtkDefBatInfoEvent;
        InitDisplay();
    }

    protected override void OnPreClose()
    {
        base.OnPreClose();
        manager.OnUpdateAtkDefBatInfoEvent -= OnUpdateAtkDefBatInfoEvent;
        scroller.OnRefreshCell -= OnRefreshCell;
    }

    private void OnUpdateAtkDefBatInfoEvent()
    {
        Display();
    }

    public void Display()
    {
        serverBtn.SetActive(manager.IsCrossServer());
        RefreshSortedMembers();
        ShowTop3();
        scroller.m_Scorller.RefreshActiveCellViews();
        DisplayMyRank();
        UpdateNoRect();
    }

    private void InitDisplay()
    {
        serverBtn.SetActive(manager.IsCrossServer());
        RefreshSortedMembers();
        ShowTop3();
        CreateScroller();
        DisplayMyRank();
        UpdateNoRect();
    }

    /// <summary>
    /// 从 Manager 获取排序后的参战成员列表
    /// </summary>
    void RefreshSortedMembers()
    {
        sortedMembers = manager.GetSortedFamilyMembers();
    }

    void CreateScroller()
    {
        scroller.Refresh();
        int cnt = sortedMembers.Count;
        for (int i = 3; i < cnt; i++)
        {
            scroller.AddCell(ScrollerDataType.Header, i);
        }
        scroller.Restart();
    }

    void OnRefreshCell(ScrollerDataType type, CellView cell)
    {
        int memberIndex = cell.index;
        if (memberIndex < 0 || memberIndex >= sortedMembers.Count)
            return;

        var _cell = cell.GetComponent<GuildAtkDefBatRankCell>();
        _cell.Display(sortedMembers[memberIndex], memberIndex + 1);
    }

    private void DisplayMyRank()
    {
        uint myPlayerId = PlayerDatas.Instance.PlayerId;
        int myIndex = sortedMembers.FindIndex(m => m.PlayerID == myPlayerId);

        if (myIndex >= 0)
        {
            // 找到自己的排名
            myRankCell.Display(sortedMembers[myIndex], myIndex + 1, true);
        }
        else
        {
            // 自己不在列表中（未参战等），显示默认信息
            myRankCell.Display(null, 0, true);
        }
    }

    /// <summary>
    /// 当排名列表只有前3名时，显示无更多数据提示
    /// </summary>
    void UpdateNoRect()
    {
        noRect.SetActive(sortedMembers.Count <= 3);
    }

    void ShowTop3()
    {
        int top3Count = Mathf.Min(playerTop3Cells.Count, sortedMembers.Count);
        for (int i = 0; i < playerTop3Cells.Count; i++)
        {
            if (i < top3Count)
            {
                playerTop3Cells[i].Display(sortedMembers[i], i + 1);
            }
            else
            {
                playerTop3Cells[i].Display(null, i + 1);
            }
        }
    }
}